import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/views/Login'
import Home from '@/views/Home'
import Welcome from '@/views/Welcome'
import Users from '@/views/user/Users'
import Rights from '@/views/power/Rights'
import Roles from '@/views/power/Roles'
import Cate from '@/views/goods/Cate'
import Params from '@/views/goods/Params'
import GoodsList from '@/views/goods/List'
import Add from '@/views/goods/add'
import Order from '@/views/order/Order'
import Report from '@/views/report/Report'
Vue.use(VueRouter)

const routes = [{
        path: '/',
        redirect: '/login'
    },
    {
        path: '/login',
        component: Login
    },
    {
        path: '/home',
        component: Home,
        redirect: '/welcome',
        children: [{
                path: '/welcome',
                component: Welcome
            },
            {
                path: '/users',
                component: Users
            },
            {
                path: '/rights',
                component: Rights
            },
            {
                path: '/roles',
                component: Roles
            },
            {
                path: '/categories',
                component: Cate
            },
            {
                path: '/params',
                component: Params
            },
            {
                path: '/goods',
                component: GoodsList
            },
            {
                path: '/goods/add',
                component: Add
            },
            {
                path: '/orders',
                component: Order
            },
            {
                path: '/reports',
                component: Report
            }
        ]
    }

]

const router = new VueRouter({
    routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行
    // next() 放行  ， next('/login') 强制跳转

    if (to.path === '/login') return next();
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token');
    if (!tokenStr) return next('/login');
    next();
})

export default router